Question

Help? Thanks I will give medal. (:



If sin30° = cos(2x), then x = _____°.



15
30
60

Answer 1

please note that sin(30°)=1/2

Answer 2

15

Answer 3

@ALG3BRUHH69 sorry, I think not 15

Answer 4

you could use the fact that sin and cos are co-functions
sin(30)=cos(90-30)
but you have cos(2x) on the other side

Answer 5

69 is the answer to everything.